*SUPPORT*
IN: tufa OUT: PURPLE
IN: wif fep OUT: RED RED
IN: kiki kiki OUT: GREEN GREEN
IN: wif OUT: RED
IN: wif lug OUT: RED RED
IN: dax fep lug OUT: YELLOW YELLOW YELLOW YELLOW
IN: kiki fep OUT: GREEN GREEN
IN: dax lug OUT: YELLOW YELLOW
IN: kiki OUT: GREEN
IN: kiki zup kiki lug OUT: GREEN GREEN GREEN GREEN
IN: wif tufa lug OUT: RED PURPLE RED PURPLE
IN: kiki dax tufa fep OUT: GREEN YELLOW PURPLE PURPLE
IN: dax wif OUT: YELLOW RED
IN: dax OUT: YELLOW

*QUERY*
IN: kiki dax kiki fep OUT: GREEN YELLOW GREEN GREEN
IN: wif wif fep OUT: RED RED RED
IN: wif dax tufa zup wif wif fep OUT: RED RED RED RED YELLOW PURPLE
IN: tufa dax fep OUT: PURPLE YELLOW YELLOW
IN: dax fep OUT: YELLOW YELLOW
IN: wif kiki fep OUT: RED GREEN GREEN
IN: dax dax zup wif fep OUT: RED RED YELLOW YELLOW
IN: dax zup kiki dax fep OUT: GREEN YELLOW YELLOW YELLOW
IN: wif tufa zup tufa OUT: PURPLE RED PURPLE
IN: dax tufa fep zup wif OUT: RED YELLOW PURPLE PURPLE

*GRAMMAR*
dax -> YELLOW 
 kiki -> GREEN 
 tufa -> PURPLE 
 wif -> RED 
 u1 fep -> [u1] [u1] 
 x1 lug -> [x1] [x1] 
 x1 zup x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 